Volume 594 Issue 7863



News Features

News & Views

Most rivers and streams run dry every year p.335

A model of the world’s rivers and streams has been developed to predict which of these watercourses flow all year round and which go dry. The analysis shows that rivers and streams that run dry are ubiquitous throughout the world.

doi: 10.1038/d41586-021-01528-4

Great Dimming of Betelgeuse explained p.343

Observations suggest that an unexpected dimming of the massive star Betelgeuse resulted from dust forming over a cold patch in the star’s southern hemisphere. This finding improves our understanding of such massive stars.

doi: 10.1038/d41586-021-01526-6